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Application of vegetable transplanting water-retaining agent in vegetable transplanting

A water-retaining agent and vegetable technology, which is applied to the application field of vegetable transplanting water-retaining agent in vegetable transplanting, can solve problems such as low efficiency, and achieve the effects of saving water resources, simple and reliable use, and reducing labor costs.

Active Publication Date: 2022-07-08
HAOFENG QINGDAO FOOD CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In order to solve the above-mentioned shortcomings, the object of the present invention provides a preparation method and application of a water-retaining agent in the vegetable transplanting process. The application of the water-retaining agent has good water absorption and water retention, salt and alkali resistance, and thermal stability; Simplify the use process of water-retaining agent, reduce the time consumption caused by dilution, and avoid the problem of difficult root sticking, which solves the problem of low efficiency in the working process of the existing technology to a certain extent

Method used

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  • Application of vegetable transplanting water-retaining agent in vegetable transplanting
  • Application of vegetable transplanting water-retaining agent in vegetable transplanting
  • Application of vegetable transplanting water-retaining agent in vegetable transplanting

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] An application of a vegetable transplanting water-retaining agent in vegetable transplanting, comprising the following steps:

[0034] Use 0.6kg vegetable transplanting water-retaining agent to directly dip the roots of 15 lettuce, and then put the lettuce into the prepared plug tray, water it immediately after covering with soil, and water it thoroughly. Cover its roots.

[0035] The preparation method of the vegetable transplanting water-retaining agent is as follows:

[0036] S1, add 150g of chitosan powder to 7.5kg of 1mol / L 2-chloroethylamine hydrochloride aqueous solution, and stir in a 65°C water bath until the chitosan powder is completely dissolved to obtain a chitosan derivative;

[0037] S2. Add the chitosan derivative prepared in step S1 to 7.5kg of 1 mol / L NaOH aqueous solution, react in a water bath at 85°C for 18h, cool to room temperature, pre-freeze at -35°C for 4h, and vacuumize after freezing Drying, the drying conditions are: the vacuum degree is 3...

Embodiment 2

[0040] The application of a vegetable transplanting water-retaining agent in vegetable transplanting is basically the same as that in Example 1, and the only difference is that the preparation methods of the vegetable transplanting water-retaining agent are inconsistent.

[0041] The preparation method of the vegetable transplanting water-retaining agent comprises the following steps:

[0042] S1. Add 7.5kg 1mol / L 2-chloroethylamine hydrochloride aqueous solution to 7.5kg 1mol / L NaOH aqueous solution, react in a water bath at 85°C for 18h, cool to room temperature, and pre-freeze for 4h at -35°C After freezing, vacuum drying is carried out. The drying conditions are: the vacuum degree is 3Pa, and the product is gradually heated up by a sublimation method. The temperature was raised to 28°C in the drying room and kept for 2 h to obtain a dry compound;

[0043] S3, place the dry compound prepared in step S1 in a reactor equipped with a mechanical stirrer and a gas inlet, then a...

Embodiment 3

[0045] The application of a vegetable transplanting water-retaining agent in vegetable transplanting is basically the same as that in Example 1, and the only difference is that the preparation methods of the vegetable transplanting water-retaining agent are inconsistent.

[0046] The preparation method of the vegetable transplanting water-retaining agent comprises the following steps:

[0047] S1. Add 150g of chitosan powder to 7.5kg of 1 mol / L NaOH aqueous solution, react in a water bath at 85°C for 18h, cool to room temperature, pre-freeze for 4h at -35°C, and vacuum dry after freezing. Dry conditions It is: the vacuum degree is 3Pa, and the product is gradually heated up by a sublimation method. The freeze-drying box layer is kept at 0°C, 5°C, 10°C, and 15°C for 2h respectively, and then the temperature is raised to the drying room temperature of 28°C and kept for 2h. , to obtain a chitosan compound;

[0048] S2, place the chitosan compound prepared in step S1 in a reactor...

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Abstract

The invention discloses an application of a water-retaining agent for vegetable transplanting in vegetable transplanting. The application of the water-retaining agent for vegetable transplanting in vegetable transplanting comprises the following steps: directly dipping roots in vegetable transplanting by using the prepared water-retaining agent for vegetable transplanting, watering after earthing, and putting in a field open field. Compared with the prior art, the water-retaining agent for vegetable transplanting has good water absorption and retention, saline-alkaline tolerance and thermal stability; the use technology of the water-retaining agent for vegetable transplanting is beneficial to simplifying the use process of the water-retaining agent, reducing time consumption caused by dilution, avoiding the problem that root systems are difficult to dip, and solving the problem of low efficiency in the working process in the prior art to a certain extent.

Description

technical field [0001] The invention relates to the technical field of agricultural planting, in particular to the application of a vegetable transplanting water-retaining agent in vegetable transplanting. Background technique [0002] Water is the source of life and plays an important role in agricultural production. With the large-scale development of my country's vegetable industry, agricultural water consumption accounts for about 70% of the country's total water consumption. In the agricultural production process of vegetables, water-retaining agents are often used to improve the utilization rate of water. [0003] Water-retaining agent can quickly absorb hundreds or even thousands of times of its own weight, form a gel after absorbing water, and can retain water for a long time, and can repeatedly absorb and slowly release water for crop utilization. In addition, the water-retaining agent also has the functions of heat preservation, fertilizer preservation, improveme...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G22/00A01G7/06
CPCA01G22/00A01G7/06
Inventor 廖玉岳圆圆孙亚男徐凤娇魏超
Owner HAOFENG QINGDAO FOOD CO LTD
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